Transmission lubricants are as crucial to the transmission as motor oil is to the engine. The most important function of the oil in a gearbox is the reduction of the friction and wear which harm metal surfaces, leading to premature failure of the moving and rotating...

Shell used a specially designed transparent gearbox to demonstrate that, within the same timeframe, for both cold starts and fully warmed up conditions. Shell Spirax S6 synthetic oil lubricates all the critical parts of the gearbox while the mineral based oil...

A clarifying interview focusing on the technical elements of the Shell Helix and how it works inside the engine.